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    VWVortex


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    Thread: 3" exhaust in n/a?

    1. Member jampy's Avatar
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      Nov 19th, 2010
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      mk4 r32/93 gsi16v
      07-24-2012 06:05 PM #1
      hello guys!! someone is running with 3" exhaust in n/a??

    2. Member
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      05 MK1 3.3 TT V6T
      08-01-2012 05:06 PM #2
      You have to be careful that you dont loose the scavenging affect and it wont give you any performance increase without supporting mods ie turbo
      Steve

    3. Member jampy's Avatar
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      mk4 r32/93 gsi16v
      08-01-2012 05:50 PM #3
      Quote Originally Posted by sTT eV6 View Post
      You have to be careful that you dont loose the scavenging affect and it wont give you any performance increase without supporting mods ie turbo
      Steve
      thanks i know now...i go for jetex 2.75 or milltek 2.5 with test pipe..

    4. Member vwmaniac16vr6's Avatar
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      08-13-2012 12:55 AM #4
      I run 3" straight pipe and headers on my 12v and it hasnt lost any hp or torque in fact in the 12v fourm there is a back to back dyno of a 2.5" to 3" and it made more hp and tq and thats on a 2.8 so that being said on a vr6 bigger is better and its been proven. Ill post it in here if there is any more debate.
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    5. Member
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      05 MK1 3.3 TT V6T
      08-16-2012 08:17 AM #5
      Quote Originally Posted by vwmaniac16vr6 View Post
      I run 3" straight pipe and headers on my 12v and it hasnt lost any hp or torque in fact in the 12v fourm there is a back to back dyno of a 2.5" to 3" and it made more hp and tq and thats on a 2.8 so that being said on a vr6 bigger is better and its been proven. Ill post it in here if there is any more debate.
      As long as the 3" has been built to maintain the scavenging required, then increases can be had.
      If you dont scavange you wont make decent numbers.
      Steve

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